大象传媒 Radio 4 - Costing the Earth, The Deepest Lake on Earth, The Lake Baikal Expedition

Costing the Earth The Deepest Lake on Earth The Lake Baikal Expedition

Costing the Earth joins a team uncovering the secrets of the largest lake on Earth.

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Taking core samples from the bed of Lake Baikal

Costing the Earth—The Deepest Lake on Earth

Exploring the environmental secrets of the deepest lake in the world with Tom Heap.

大象传媒 Radio 4